/**
 * Copyright (C) 2013 DaiKit.com - daikit4gxt module (admin@daikit.com)
 *
 *         Project home : http://code.daikit.com/daikit4gxt
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.daikit.daikit4gxt.client.ui.fields.validator;

import java.util.ArrayList;
import java.util.List;

import com.daikit.daikit4gxt.client.DkMain;
import com.google.gwt.editor.client.Editor;
import com.google.gwt.editor.client.EditorError;
import com.sencha.gxt.messages.client.DefaultMessages;
import com.sencha.gxt.widget.core.client.form.Validator;
import com.sencha.gxt.widget.core.client.form.error.DefaultEditorError;


/**
 * 
 * @author tcaselli
 * @version $Revision$ Last modifier: $Author$ Last commit: $Date$
 * @param <N>
 *           the type of the number in parent field
 */
public class MyMinMaxValidator<N extends Number> implements Validator<N>
{

	final int min;
	final int max;

	/**
	 * Constructor
	 * 
	 * @param min
	 * @param max
	 */
	public MyMinMaxValidator(final int min, final int max)
	{
		this.min = min;
		this.max = max;
	}

	@Override
	public List<EditorError> validate(final Editor<N> editor, final N value)
	{
		final List<EditorError> errors = new ArrayList<EditorError>();
		if (value == null)
		{
			errors.add(new DefaultEditorError(editor, DefaultMessages.getMessages().textField_blankText(), ""));
		}
		else if (value.intValue() < min || value.intValue() > max)
		{
			errors.add(new DefaultEditorError(editor, DkMain.i18n().error_validation_min_max_integer(min, max), ""));
		}
		return errors.isEmpty() ? null : errors;
	}

}
